Lamp



FIG. 1 is a first perspective view of a lamp showing my new design;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken line disclosure represents portions of the lamp which form no part of the claimed design. 

CLAIM The ornamental design for lamp, as shown and described. 